Nanophase Cosponsors Sixth Annual NanoBusiness Alliance Conference

ROMEOVILLE, IL | Posted on April 5th, 2007

Nanophase Technologies (Nasdaq: NANX), a technology leader in nanomaterials andadvanced nanoengineered products, announced plans to cosponsor and presentat the NanoBusiness Alliance 2007 Conference, April 15-17 at the New YorkMarriott Marquis. As nanotechnology's foremost business conference,NanoBusiness 2007 is intended for major stakeholders in the business ofnanotechnology and gathers important technologists, government andinvestment leaders, nanotechnology business leaders, and investors forthree intensive days of seminars, presentations, and panel discussions.

NanoBusiness 2007 brings world-class nanotechnology companies to WallStreet to highlight nanotech innovations that are expected to driveshareholder value creation over the next decade. Joseph Cross, Nanophase'spresident and CEO, will participate in a panel discussion on Monday, April16, to discuss "Advanced Materials: Scaling the Business to a Size thatMatters" and present the Company's portfolio of nanomaterials technologies,revenue growth strategies, and vision for the future to an investor forumon Tuesday, April 17. Along with other nanotechnology executives, Mr. Crosshas also been invited to participate in NASDAQ's closing bell ceremonies onTuesday, April 17.

"NanoBusiness 2007 is a principal gathering of internationalnanotechnology sectors and companies focused on the growth and rapidcommercialization of nanotechnologies," stated Mr. Cross. "This is a majorgathering of leading nanotechnology companies who are successfullycommercializing nanotech innovations across multiple sectors, showcasingthe 'here and now' as well as a vision of the future. Focusing on issuesand conditions that are expected to drive increased global implementation,discussions range from technology to markets to corporate environmental andworkplace responsibility. It is an important business conference forgrowing nanotechnologies that are undergoing an increasing rate of globaladoption, such as Nanophase."

Sean Murdock, Executive Director of the NanoBusiness Alliance stated,"We are excited to have Joe Cross speaking about scaling the nanomaterialsbusiness. Nanophase has been a world leader in commercializingnanomaterials and has developed a network of partnerships with leadingincumbents that will allow the company to rapidly bring new innovations tothe marketplace."

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About Nanophase Technologies CorporationNanophase Technologies Corporation (NANX), http://www.nanophase.com ,is a leader in nanomaterials technologies and provides nanoengineeredsolutions for multiple industrial product applications. Using a platform ofpatented and proprietary integrated nanomaterial technologies, the Companycreates products with unique performance attributes from two ISO 9001:2000and ISO 14001 facilities. Nanophase delivers commercial quantity andquality nanoparticles, coated nanoparticles, and nanoparticle dispersionsin a variety of media. The Company owns or licenses 18 United States and 48foreign patents and patent applications. Information about Nanophase may befound in the Company's public filings or on its website.

The NanoBusiness Alliance is the industry association for the emergingnanotech industry. Through its extensive network of leading startups,Fortune 500 companies, research institutions, non-governmentalorganizations and public-private partnerships, the Alliance influencesnanotechnology policy and helps accelerate commercialization ofnanotechnology innovations. The NanoBusiness Alliance has offices in NewYork, Chicago, Connecticut and Washington, DC. For more information, visithttp://www.nanobusiness.org .

This press release contains words such as "expects", "shall", "will","believes" and similar expressions that are intended to identify forward-looking statements within the meaning of the Safe Harbor Provisions of thePrivate Securities Litigation Reform Act of 1995. Such statements in thisannouncement are made based on the Company's current beliefs, known eventsand circumstances at the time of publication, and as such, are subject inthe future to unforeseen risks and uncertainties that could cause theCompany's results of operations, performance and achievements to differmaterially from current expectations expressed in, or implied by, theseforward-looking statements. These risk and uncertainties include thefollowing: a decision by a customer to cancel a purchase order or supplyagreement in light of the Company's dependence on a limited number of keycustomers; uncertain demand for, and acceptance of, the Company'snanocrystalline materials; the Company's manufacturing capacity and productmix flexibility in light of customer demand; the Company's limitedmarketing experience; changes in development and distributionrelationships; the impact of competitive products and technologies; theCompany's dependence on patents and protection of proprietary information;the resolution of litigation in which the Company may become involved; andother risks described in the Company's Form 10K filed March 14, 2007, andother filings with the Securities and Exchange Commission. In addition, theCompany's forward-looking statements could be affected by general industryand market conditions and growth rates. Except as required by federalsecurities laws, the Company undertakes no obligation to update or revisethese forward-looking statements to reflect new events, uncertainties orother contingencies.